US GOVERNMENT

U.S. Department of Health and Human Services (DHHS)http://www.pandemicflu.gov
“One-stop access to U.S. Government swine, avian and pandemic flu information.” Includes special information for parents and concerned care givers; information for travelers; frequent questions; preparation and prevention; use of masks, etc.

Centers for Disease Control and Prevention (CDC)http://www.cdc.gov/swineflu/
Also shows current number and location of confirmed cases and deaths in the U.S.